def testMime(self):
l1 = create_layer('l1')
l2 = create_layer('l2')
QgsProject.instance().addMapLayers([l1, l2])
m = QgsMapLayerModel()
self.assertEqual(m.mimeTypes(), ['application/qgis.layermodeldata'])
data = m.mimeData([m.index(0, 0)])
self.assertTrue(data)
self.assertFalse(
m.canDropMimeData(data, Qt.MoveAction, 0, 0, QModelIndex()))
m.setItemsCanBeReordered(True)
self.assertTrue(
m.canDropMimeData(data, Qt.MoveAction, 0, 0, QModelIndex()))
self.assertTrue(
m.dropMimeData(data, Qt.MoveAction, 2, 0, QModelIndex()))
self.assertEqual(m.rowCount(), 3)
self.assertEqual(m.data(m.index(0, 0), QgsMapLayerModel.LayerIdRole),
l1.id())
self.assertEqual(m.data(m.index(1, 0), QgsMapLayerModel.LayerIdRole),
l2.id())
self.assertEqual(m.data(m.index(2, 0), QgsMapLayerModel.LayerIdRole),
l1.id())
QgsProject.instance().removeMapLayers([l1.id(), l2.id()])
